Hand washing alert mat



FIG. 1 is a top plan view of a hand washing alert mat showing my new design;

FIG. 2 is a bottom plan view of the hand washing alert mat;

FIG. 3 is a side view of the hand washing alert mat;

FIG. 4 is a front view of the hand washing alert mat; and,

FIG. 5 is a rear view of the hand washing alert mat. 

The ornamental design for a hand washing alert mat, as shown and described. 